Large herds of bison used to live on the plains of North America.

群野牛过去曾生活在北美上。

An animal(B. bonasus) of Europe, similar to but somewhat smaller than the bison; a wisent.

欧洲野牛欧洲一种动物（欧洲野牛野牛属），和野牛相似，但小于野牛；珍野牛

In the year 1700,about 60 million bison wandered freely in North America.

在1700年约有6000万头野牛在北美无拘无束地活动。

Large herds of bison used to live on the plains of North America.

大群过去曾生活在北美大草原上。

An animal(B. bonasus) of Europe, similar to but somewhat smaller than the bison; a wisent.

欧欧一种动物（欧属），和相似，但小于；珍

In the year 1700,about 60 million bison wandered freely in North America.

在1700年约有6000万头在北美无拘无束地活动。

Large herds of bison used to live on the plains of North America.

大群过去曾生活在北美大草原上。

An animal(B. bonasus) of Europe, similar to but somewhat smaller than the bison; a wisent.

欧洲欧洲一种动物（欧洲），和相似，但小于；珍

In the year 1700,about 60 million bison wandered freely in North America.

在1700年约有6000万头在北美无拘无束地活动。

Large herds of bison used to live on the plains of North America.

群野牛过去曾生活在北美。

An animal(B. bonasus) of Europe, similar to but somewhat smaller than the bison; a wisent.

欧洲野牛欧洲一种动物（欧洲野牛野牛属），和野牛相似，但小于野牛；珍野牛

In the year 1700,about 60 million bison wandered freely in North America.

在1700年约有6000万头野牛在北美无拘无束地活动。

Large herds of bison used to live on the plains of North America.

大群过去曾生活在北美大草原上。

An animal(B. bonasus) of Europe, similar to but somewhat smaller than the bison; a wisent.

欧欧一种动物（欧属），和相似，但小于；珍

In the year 1700,about 60 million bison wandered freely in North America.

在1700年约有6000万头在北美无拘无束地活动。

Large herds of bison used to live on the plains of North America.

过去曾生活在北美草原上。

An animal(B. bonasus) of Europe, similar to but somewhat smaller than the bison; a wisent.

欧洲欧洲一种动物（欧洲属），和相似，但小于；珍

In the year 1700,about 60 million bison wandered freely in North America.

在1700年约有6000万头在北美无拘无束地活动。

Large herds of bison used to live on the plains of North America.

群野牛过去曾生活在北美。

An animal(B. bonasus) of Europe, similar to but somewhat smaller than the bison; a wisent.

欧洲野牛欧洲一种动物（欧洲野牛野牛属），和野牛相似，但小于野牛；珍野牛

In the year 1700,about 60 million bison wandered freely in North America.

在1700年约有6000万头野牛在北美无拘无束地活动。

Large herds of bison used to live on the plains of North America.

大群过去曾生活在北大草原上。

An animal(B. bonasus) of Europe, similar to but somewhat smaller than the bison; a wisent.

欧洲欧洲一种动物（欧洲属），和相似，但小于；珍

In the year 1700,about 60 million bison wandered freely in North America.

在1700年约有6000在北无拘无束地活动。

Large herds of bison used to live on the plains of North America.

大群牛过去曾生美大草原上。

An animal(B. bonasus) of Europe, similar to but somewhat smaller than the bison; a wisent.

欧洲牛欧洲一种动物（欧洲牛牛属），和牛相似，但小于牛；珍牛

In the year 1700,about 60 million bison wandered freely in North America.

1700年约有6000万头牛美无拘无束地动。